Finding the Fourth Proportional to 670,388.84, 925,136.62 and 368,582.84
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Solution
The fourth proportional to 670,388.84, 925,136.62 and 368,582.84 is: 508,644.33
Step by Step Solution
- Step 1: Write the proportion equation
670,388.84 : 925,136.62 = 368,582.84 : x - Step 2: Convert to fraction form
670,388.84/925,136.62 = 368,582.84/x - Step 3: Cross multiply
670,388.84x = 925,136.62 × 368,582.84 - Step 4: Simplify right side
670,388.84x = 340,989,482,787.60 - Step 5: Solve for x
x = 340,989,482,787.60/670,388.84 - Step 6: Final answer
x = 508,644.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.